Casti audio pentru antrenamente de inot H 902

Quick Details Brand Name: OEM Model Number: H-902 Style: Ear Hook Communication: Wireless Connectors: Other Use: swimming training Function: Microphone, Noise Cancelling, Waterproof Place of Origin: Guangdong, China name: Bone Conduction Transducer Waterproof: IPX8 Receive Sensitivity: -13DBu Input Sensitivity: ≤200mV Underwater: 10 meters Ferquencyrange: 60Hz-20KHz Receive Distance: 120 Meters Speaker: Bone Conduction Battery Working Time: 1.5-2 hours Working Voltage: 2.8-4.2V The system consists of a poolside transmitter and several waterproof bone conduction earphone . The seven channel radio transmitter, has a range of about 200 mts and supports up to ten receivers per channel at the same time. The volumc of the waterproof bone conduction earphone can be dajusted, so it's more suitableful for children. The waterproof bone conduction earphone easily fits under any kind of swim cap and is designed to stay in position even during start and turns. The sound is perceived by the athlete from the headset via a bone conduction technology, which enhances the spread of temporal bone vibrations to the cochlea. In this way, the ear canal remains free allowing simultaneous perception of other sounds. Listening is always perfect even in a noisy, crowded pool! Swimming: It is an outstanding tool for training sessions and swimming school. The coach can motivate and encourage the athletes to greater commitment and give them continuous technical corrections from the poolside. This allows the swimmer to get real time hints about stroke rate, lap times, feedback during turns and rhythm or breathing cycles changes.